<?php
$_x="5D3";
$_name="佳能EOS";
echo $_name.$_x;

for ($i=0; $i <10 ; $i++) { 
	echo "<h2>高阳嘻嘻</h2>";
}


//注释
//隐藏变量
$a = "高阳";
$$a = "大骚";
echo $高阳;
?>